Grouch: Do you guys have regular state inspections on your cars? That's where they get us. We have an annual state inspection the car has to pass. Things like suspension and engine changes can be overlooked and written off as normal repair updates. "Jeez, I can't get an overhaul kit for the old straight eight, so I stuck this here six cylinder Jag motor in". Once you hack the top though, you're in custom territory.